BL2600 removing the RCM?

I am thinking about replacing the RCM3200 with an RCM3375 on an SBC BL2600 Wolf.

Is the RCM only held on by the two connectors?
Or is something else holding the RCM down?
If yes, what is holding it down?

Any directions on what is needed to replace the RCM on a BL2600?


Tim S.